Ladies’ 1.56ct TW Oval Blue Sapphire & Diamond Filigree Ring in Solid 14K White Gold. This gorgeous ring looks like A LOT more than 1.56ct total weight, but the center oval shape blue sapphire weighs .75ct with a total of .81ct in round diamond accents for a completed gemstone weight of 1.58ct. This ring is a true Knock-Out with really nice quality sapphire & diamonds.